Home / 54,402,451.70-81,603,677.55-38,246,645.30

Finding the Fourth Proportional to 54,402,451.70, 81,603,677.55 and 38,246,645.30

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Solution

The fourth proportional to 54,402,451.70, 81,603,677.55 and 38,246,645.30 is: 57,369,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402,451.70 : 81,603,677.55 = 38,246,645.30 : x
  2. Step 2: Convert to fraction form
    54,402,451.70/81,603,677.55 = 38,246,645.30/x
  3. Step 3: Cross multiply
    54,402,451.70x = 81,603,677.55 × 38,246,645.30
  4. Step 4: Simplify right side
    54,402,451.70x = 3,121,066,910,430,422.50
  5. Step 5: Solve for x
    x = 3,121,066,910,430,422.50/54,402,451.70
  6. Step 6: Final answer
    x = 57,369,967.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.